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B. B. HIESTAND 81; A. W. SWADE. DEVICE FOR RELEASING ANIMALS FROMSTALLS.

N0. 322,603. Patented July 21, 1885.

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B. E. HIESTAND & A. W. SWADE; DEVICE FOR RBLEASING ANIMALS PROM STALLS.

No. 322,603. Patented July 21, 1885.

o-Lhhngrapher. Wuhlnidom D- C.

UNITED STATES PATENT OFFICE.

BENJAMIN E. HIESTAND AND AMOS W. SWADE, OE MOUNT JOY, PA.

DEVICEQFOR RELEASING ANIMALS FROM STALLS.

SPECIFICATION forming part of Letters Patent No. 322,603, dated July 21,1885.

Application filed November 18, 1884. (No model.)

To all whom it may concern..-

Be it known that we, BENJAMIN E. HIE- STAND and Arms W. SWADE, citizensof the United States, residing at Mount Joy, in the county of Lancaster,and State of Pennsylvania, have invented certain .Improvements inDevices for Releasing Animals from Stalls, of which the following is aspecification.

Our invention relates to improvements in devices for releasing animalsfrom stalls; and the object of our improvement is to release all theanimals in the stall at once, if necessary or desirable, or to loosenthem one by one. \Ve obtain this objectby means of the mechanismillustrated in the accompanying drawings, in which- Figure 1 shows aview of the under side of the trough with our device attached; Fig. 2, aperspective view of the mechanism for detaching the animals; Fig. 3, atop view oflhe arm and latch, and Fig. 4 a top view of the slotted lugand hasp with their top plates removed.

Our device is placed under the bottom of the trough or troughs, andconsists of the following elements: A main rod or, bar, A, ex-

. tends lengthwise under the trough B, to which it is held by means ofplates 0, having slotted lugs c, in which the bar rests and throughwhich it slides.

D represents a hand-lever, having its fulcrum at d, and a slot, at, atits inner end,

which engages a pin, a, projecting from the bottom of the bar A. Alongor near the edge of the trough the handle of the lever is held out fromthe bottom of said trough by a flange, b. There is an arm, E, rigidlyattached to the rod A, opposite each stall, and which projects towardthe stall. Each of the said arms E has a latch, F, pivoted at its outerthe lever D in order to move the sliding rod end at e, which rests inand is guided by a groove in lug, G, attached to the bottom of thetrough. The free end f of the latch F projects considerably beyond theend of the lug G and engages the hasp H, also fastened to the bottom ofthe trough. A halter-ri-ng, R, is attached to the latch between the lugand the hasp, to which is secured the rope r, by which the animal istied. A spring, S, pass ing around a pin, 19, in the arm E and fast enedto the rod A att holds the latch in its place in the groove of the lugG.

The operation of Our device is as follows: To free all the animals therod A is moved by means of the'lever so as to draw the latch of 5 eachstall back and disengage it from the hasp, the end of the sides of thegrooves push ing the ring free from thelatch; and to loosen a singleanimal the latch is pulled out from its hasp, as shown from the dottedlines at O, and the halter-ring removed, the, latch upon being freedbeing forced back to its original position by the spring.

We do not confine ourselves to the use of,-

6 A, as there are other well-known methods by 5 which it can be done.

What We claim as our invention, and desire to secure by Letters Patent,is-

The combination, with the sliding rod A, of 70 the rigid arm E, thelatch F, pivoted to said arm, the slotted lug G, the spring S, and thehasp H, constructed to Operate substantially as specified.

B. E. HIESTAND,

'A. w. SWADE.

\Vitnesses:

A. GERBER, I. S. LONGENEOKER.

